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c906108c SS |
1 | /* Include file for stabs debugging format support functions. |
2 | Copyright 1986-1991, 1992, 1993 Free Software Foundation, Inc. | |
3 | ||
c5aa993b | 4 | This file is part of GDB. |
c906108c | 5 | |
c5aa993b JM |
6 | This program is free software; you can redistribute it and/or modify |
7 | it under the terms of the GNU General Public License as published by | |
8 | the Free Software Foundation; either version 2 of the License, or | |
9 | (at your option) any later version. | |
c906108c | 10 | |
c5aa993b JM |
11 | This program is distributed in the hope that it will be useful, |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
c906108c | 15 | |
c5aa993b JM |
16 | You should have received a copy of the GNU General Public License |
17 | along with this program; if not, write to the Free Software | |
18 | Foundation, Inc., 59 Temple Place - Suite 330, | |
19 | Boston, MA 02111-1307, USA. */ | |
c906108c SS |
20 | |
21 | /* Definitions, prototypes, etc for stabs debugging format support | |
22 | functions. | |
23 | ||
24 | Variables declared in this file can be defined by #define-ing | |
25 | the name EXTERN to null. It is used to declare variables that | |
26 | are normally extern, but which get defined in a single module | |
27 | using this technique. */ | |
28 | ||
29 | #ifndef EXTERN | |
30 | #define EXTERN extern | |
31 | #endif | |
32 | ||
c906108c SS |
33 | /* Hash table of global symbols whose values are not known yet. |
34 | They are chained thru the SYMBOL_VALUE_CHAIN, since we don't | |
35 | have the correct data for that slot yet. | |
36 | ||
37 | The use of the LOC_BLOCK code in this chain is nonstandard-- | |
38 | it refers to a FORTRAN common block rather than the usual meaning, and | |
39 | the such LOC_BLOCK symbols use their fields in nonstandard ways. */ | |
40 | ||
41 | EXTERN struct symbol *global_sym_chain[HASHSIZE]; | |
42 | ||
a14ed312 KB |
43 | extern void common_block_start (char *, struct objfile *); |
44 | extern void common_block_end (struct objfile *); | |
c906108c SS |
45 | |
46 | /* Kludge for xcoffread.c */ | |
47 | ||
48 | struct pending_stabs | |
c5aa993b JM |
49 | { |
50 | int count; | |
51 | int length; | |
52 | char *stab[1]; | |
53 | }; | |
c906108c SS |
54 | |
55 | EXTERN struct pending_stabs *global_stabs; | |
56 | ||
57 | /* The type code that process_one_symbol saw on its previous invocation. | |
58 | Used to detect pairs of N_SO symbols. */ | |
59 | ||
60 | EXTERN int previous_stab_code; | |
61 | \f | |
62 | /* Support for Sun changes to dbx symbol format */ | |
63 | ||
64 | /* For each identified header file, we have a table of types defined | |
65 | in that header file. | |
66 | ||
67 | header_files maps header file names to their type tables. | |
68 | It is a vector of n_header_files elements. | |
69 | Each element describes one header file. | |
70 | It contains a vector of types. | |
71 | ||
72 | Sometimes it can happen that the same header file produces | |
73 | different results when included in different places. | |
74 | This can result from conditionals or from different | |
75 | things done before including the file. | |
76 | When this happens, there are multiple entries for the file in this table, | |
77 | one entry for each distinct set of results. | |
78 | The entries are distinguished by the INSTANCE field. | |
79 | The INSTANCE field appears in the N_BINCL and N_EXCL symbol table and is | |
80 | used to match header-file references to their corresponding data. */ | |
81 | ||
82 | struct header_file | |
c5aa993b | 83 | { |
c906108c | 84 | |
c5aa993b | 85 | /* Name of header file */ |
c906108c | 86 | |
c5aa993b | 87 | char *name; |
c906108c | 88 | |
c5aa993b JM |
89 | /* Numeric code distinguishing instances of one header file that produced |
90 | different results when included. It comes from the N_BINCL or N_EXCL. */ | |
c906108c | 91 | |
c5aa993b | 92 | int instance; |
c906108c | 93 | |
c5aa993b | 94 | /* Pointer to vector of types */ |
c906108c | 95 | |
c5aa993b | 96 | struct type **vector; |
c906108c | 97 | |
c5aa993b | 98 | /* Allocated length (# elts) of that vector */ |
c906108c | 99 | |
c5aa993b JM |
100 | int length; |
101 | ||
102 | }; | |
c906108c SS |
103 | |
104 | /* The table of header_files of this OBJFILE. */ | |
105 | #define HEADER_FILES(OBJFILE) (DBX_SYMFILE_INFO (OBJFILE)->header_files) | |
106 | ||
107 | /* The actual length of HEADER_FILES. */ | |
108 | #define N_HEADER_FILES(OBJFILE) (DBX_SYMFILE_INFO (OBJFILE)->n_header_files) | |
109 | ||
110 | /* The allocated lengh of HEADER_FILES. */ | |
111 | #define N_ALLOCATED_HEADER_FILES(OBJFILE) \ | |
112 | (DBX_SYMFILE_INFO (OBJFILE)->n_allocated_header_files) | |
113 | ||
114 | /* Within each object file, various header files are assigned numbers. | |
115 | A type is defined or referred to with a pair of numbers | |
116 | (FILENUM,TYPENUM) where FILENUM is the number of the header file | |
117 | and TYPENUM is the number within that header file. | |
118 | TYPENUM is the index within the vector of types for that header file. | |
119 | ||
120 | FILENUM == 0 is special; it refers to the main source of the object file, | |
121 | and not to any header file. FILENUM != 1 is interpreted by looking it up | |
122 | in the following table, which contains indices in header_files. */ | |
123 | ||
124 | EXTERN int *this_object_header_files; | |
125 | ||
126 | EXTERN int n_this_object_header_files; | |
127 | ||
128 | EXTERN int n_allocated_this_object_header_files; | |
129 | ||
130 | extern struct complaint unknown_symtype_complaint; | |
131 | extern struct complaint unknown_symchar_complaint; | |
132 | ||
a14ed312 | 133 | extern struct type *read_type (char **, struct objfile *); |
c906108c | 134 | |
a14ed312 | 135 | extern void cleanup_undefined_types (void); |
c906108c | 136 | |
a14ed312 | 137 | extern struct type **dbx_lookup_type (int[2]); |
c906108c | 138 | |
a14ed312 | 139 | extern long read_number (char **, int); |
c906108c | 140 | |
a14ed312 | 141 | extern void add_undefined_type (struct type *); |
c906108c | 142 | |
a14ed312 KB |
143 | extern struct symbol *define_symbol (CORE_ADDR, char *, int, int, |
144 | struct objfile *); | |
c906108c | 145 | |
a14ed312 | 146 | extern void stabsread_init (void); |
c906108c | 147 | |
a14ed312 | 148 | extern void stabsread_new_init (void); |
c906108c | 149 | |
a14ed312 | 150 | extern void start_stabs (void); |
c906108c | 151 | |
a14ed312 | 152 | extern void end_stabs (void); |
c906108c | 153 | |
a14ed312 | 154 | extern void finish_global_stabs (struct objfile *objfile); |
c906108c | 155 | \f |
c5aa993b | 156 | |
c906108c SS |
157 | EXTERN int os9k_stabs; |
158 | \f | |
159 | /* COFF files can have multiple .stab sections, if they are linked | |
160 | using --split-by-reloc. This linked list is used to pass the | |
161 | information into the functions in dbxread.c. */ | |
162 | struct stab_section_list | |
c5aa993b JM |
163 | { |
164 | /* Next in list. */ | |
165 | struct stab_section_list *next; | |
c906108c | 166 | |
c5aa993b JM |
167 | /* Stab section. */ |
168 | asection *section; | |
169 | }; | |
c906108c SS |
170 | \f |
171 | /* Functions exported by dbxread.c. These are not in stabsread.c because | |
172 | they are only used by some stabs readers. */ | |
173 | ||
a14ed312 KB |
174 | extern struct partial_symtab *end_psymtab (struct partial_symtab *pst, |
175 | char **include_list, | |
176 | int num_includes, | |
177 | int capping_symbol_offset, | |
178 | CORE_ADDR capping_text, | |
179 | struct partial_symtab | |
180 | **dependency_list, | |
181 | int number_dependencies, | |
182 | int textlow_not_set); | |
c906108c SS |
183 | |
184 | extern void | |
a14ed312 KB |
185 | process_one_symbol (int, int, CORE_ADDR, char *, |
186 | struct section_offsets *, struct objfile *); | |
c906108c SS |
187 | |
188 | extern void elfstab_build_psymtabs | |
a14ed312 KB |
189 | (struct objfile *objfile, |
190 | int mainline, | |
191 | file_ptr staboff, unsigned int stabsize, | |
192 | file_ptr stabstroffset, unsigned int stabstrsize); | |
c906108c SS |
193 | |
194 | extern void coffstab_build_psymtabs | |
a14ed312 KB |
195 | (struct objfile *objfile, |
196 | int mainline, | |
197 | CORE_ADDR textaddr, unsigned int textsize, | |
198 | struct stab_section_list *stabs, | |
199 | file_ptr stabstroffset, unsigned int stabstrsize); | |
c906108c SS |
200 | |
201 | extern void stabsect_build_psymtabs | |
a14ed312 KB |
202 | (struct objfile *objfile, |
203 | int mainline, char *stab_name, char *stabstr_name, char *text_name); | |
c906108c | 204 | |
a14ed312 KB |
205 | extern void elfstab_offset_sections (struct objfile *, |
206 | struct partial_symtab *); | |
c906108c | 207 | |
c5aa993b | 208 | extern void process_later |
a14ed312 | 209 | (struct symbol *, char *, |
507f3c78 | 210 | int (*f) (struct objfile *, struct symbol *, char *)); |
c906108c | 211 | |
a14ed312 | 212 | extern int symbol_reference_defined (char **); |
c906108c | 213 | |
a14ed312 | 214 | extern void ref_add (int, struct symbol *, char *, CORE_ADDR); |
c906108c | 215 | |
a14ed312 | 216 | extern struct symbol *ref_search (int); |
c906108c | 217 | |
c5aa993b | 218 | extern int resolve_cfront_continuation |
a14ed312 | 219 | (struct objfile *objfile, struct symbol *sym, char *p); |
c906108c SS |
220 | |
221 | #undef EXTERN |